package lab02.test37;

/**
 * Created by dell on 2017/11/19.
 */
public class StudentDemo {
    public static void main(String[] args) {
        Undergraduate st1 = new Undergraduate(" 张三", 40, 70, 60);
        st1.Display();
        Graduate st2 = new Graduate(" 李四", 70, 30, 90);
        st1.Display();
        }
    }

